NV-DS50EN, NV-DS50ENT, NV-DS50A - Panasonic Movie Service Manual (repair manual). Page 33

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10
VIDEO SIGNAL (REC & PB)
IC901 (EVF SIGNAL PROCESS)
MAIN C.B.A.
EVF BACKLIGHT C.B.A.
EVF LCD PANEL UNIT
FROM VIDEO
SIGNAL PROCESS I
BLOCK DIAGRAM
LUMA
(FROM IC6001(106))
EVF BLACK LEVEL CONTROL
(FROM IC6001(107))
EVF LUMINANCE GAIN CONTROL
TO MEASURING BOARD
(FOR EVR ADJUSTMENT)
EVF VIDEO
DC
CLAMP
V/H SYNC
SEPARATOR
POWER
DOWN
RESET
+15V
+3V
EVF-BL+5V
Q951
D951
BACKLIGHT
D901
Q901
Q902
H-SYNC
COLUMN INVERSION
PIXEL INVERSION
V-SYNC
PLL
LOWER
AMP
TIMING
GENERATOR
VOLTAGE
REGULATOR
BLACK LEVEL &
GAIN ADJUSTMENT
5
26
21
22
18
19
20
17
25
24
23
16
15
13
FP8
22
FP8
17
FP8
21
FP8
16
FP8
20
FP8
19
FP8
18
FP951
11
FP951
12
FP951
13
FP951
9
FP951
10
FP951
14
FP951
15
FP951
5
FP951
6
FP951
7
FP951
8
FP951
16
FP951
17
FP951
19
FP951
4
FP951
18
FP951
3
FP952
10
FP952
18
FP952
9
FP952
8
FP952
12
FP952
11
FP952
7
FP952
6
FP952
16
FP952
15
FP952
14
FP952
13
FP952
5
FP952
4
FP952
2
FP952
17
FP952
3
FP8
12
FP8
13
FP8
14
FP8
15
FP8
23
FP8
24
FP8
26
FP8
11
FP8
10
FP8
25
8
30
27
14
40
COUNTER
35
7
B2
15
UPPER
AMP
EVF BLOCK DIAGRAM
EVF BLOCK DIAGRAM
NV-DS29EG/NV-DS29EGM/NV-DS29B/NV-DS29EGE/NV-DS30EG/NV-DS30EGM/NV-DS30B/NV-DS30EGE/NV-DS30EN/NV-DS30ENT/NV-DS30ENC/NV-DS30A/NV-DS50EN/NV-DS50ENT/NV-DS50A
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